化工龙头ETF（516220）连续5日迎资金净流入，机构：化工新材料国产替代迫切

Group 1 - The core viewpoint of the article highlights the increasing net inflow of funds into the Chemical Leaders ETF (516220) for five consecutive days, indicating growing investor interest in the sector [1] - According to the Ministry of Industry and Information Technology, China heavily relies on foreign countries for high-end chemical new materials and advanced chemical equipment, with 32% of over 130 key basic chemical materials still lacking domestic production and 52% dependent on imports [1] - The article emphasizes the urgency for domestic substitution of chemical new materials due to the escalating international tensions and the importance of supply chain security [1] Group 2 - The Chemical Leaders ETF (516220) tracks a specialized chemical index (000813) that selects listed companies involved in fine chemicals and new materials from the Shanghai and Shenzhen markets, reflecting the overall performance of high-growth and high-tech sectors within the chemical industry [1] - The index constituents focus on technological innovation and environmental characteristics, showcasing the development trends in specific areas of China's chemical industry [1]